Skip to main content
CrashStats

LL17 road accidents: crash map and statistics

Police recorded 1,410 road traffic collisions in the LL17 postcode district, Denbighshire, from 1979 to 2025, and 2,307 people were killed or injured in them. Of those collisions, 41 were fatal and 256 were serious.

In 2025 police recorded 8 collisions, down from 9 in 2024.

Collisions since 1979
1,410
2,007th of 2,813 postcode districts, highest first
Casualties
2,307
1.64 per collision
Fatal collisions
41
46 people killed
Serious collisions
256
339 seriously injured
Collisions in 2025
8
9 in 2024
Casualties in 2025
8
9 in 2024

Road collision statistics for LL17

Collisions by severity, 1979 to 2025

  • Fatal412.9%
  • Serious25618%
  • Slight1,11379%

What the data shows

  • LL17 had 105 collisions from 2016 to 2025, 52% fewer than the 221 from 2006 to 2015.
  • 21% of collisions in LL17 were fatal or serious, against 20% across Great Britain.
  • 273 children under 16 were killed or injured in LL17, 12% of the casualties whose age was recorded.
  • The road surface was wet, icy, snowy or flooded in 44% of collisions in LL17.

Where LL17 ranks among 2,813 postcode districts

Most collisions
2,007th
Most casualties
1,902nd
Most fatal collisions
1,464th
Most serious collisions
2,117th

Collisions by day of the week

  • Monday210 (15%)
  • Tuesday205 (15%)
  • Wednesday190 (13%)
  • Thursday171 (12%)
  • Friday247 (18%)
  • Saturday200 (14%)
  • Sunday187 (13%)

Light conditions

  • Daylight1,030 (73%)
  • Dark, no street lighting237 (17%)
  • Dark, street lights lit121 (8.6%)
  • Dark, lighting unknown18 (1.3%)
  • Dark, street lights unlit4 (0.3%)

Type of road

  • Single carriageway861 (61%)
  • Dual carriageway456 (32%)
  • Roundabout82 (5.8%)
  • One way street or slip road7 (0.5%)
  • Not recorded4 (0.3%)

Speed limit at the scene

  • 20 mph4 (0.3%)
  • 30 mph377 (27%)
  • 40 mph87 (6.2%)
  • 50 mph4 (0.3%)
  • 60 mph511 (36%)
  • 70 mph427 (30%)

Weather at the time

  • Fine, no high winds1,011 (72%)
  • Raining, no high winds245 (17%)
  • Raining with high winds37 (2.6%)
  • Fine with high winds27 (1.9%)
  • Snowing, no high winds17 (1.2%)
  • Fog or mist7 (0.5%)
  • Snowing with high winds2 (0.1%)
  • Other48 (3.4%)
  • Not recorded16 (1.1%)

Who was hurt

  • Car occupant1,732 (75%)
  • Motorcyclist186 (8.1%)
  • Pedestrian112 (4.9%)
  • Van occupant64 (2.8%)
  • Bus or coach occupant63 (2.7%)
  • Cyclist61 (2.6%)
  • Goods vehicle occupant (over 3.5 tonnes)41 (1.8%)
  • Other vehicle occupant17 (0.7%)
  • Minibus occupant13 (0.6%)
  • Taxi or private hire car occupant11 (0.5%)
  • Other7 (0.3%)

Source: Department for Transport, STATS19 road safety data

LL17 road accidents by year

Collisions and casualties in LL17, 1979 to 2025

Collisions in LL17 peaked at 58 in 1990; 2025 had 8.

  • Collisions
  • Collisions in 2025: 8
  • Casualties

Source: Department for Transport, STATS19 road safety data

View as a table
YearCollisionsCasualties
202588
202499
20231011
2022810
202178
202077
20191015
20181718
20171520
20161428
20152225
20142331
20132032
20121929
20112035
20101825
20092145
20082237
20072935
20062742
20051521
20043345
20032538
20023459
20014080
20003960
19995080
19984798
199754112
19963142
19953972
19943257
19934160
19924367
19914989
199058109
19895794
19885697
19874470
19864373
19853150
19843350
19833964
19823351
19815289
19803662
19793048

Map of recent crashes in LL17

Map of the 24 most recent crashes in LL17

Use the arrow keys to move the map and the plus and minus keys to zoom.

  • 24 crashes
  • Serious
  • Slight

Recent road crashes in LL17

The 24 most recent collisions in LL17 happened between 16 May 2023 and 23 October 2025.

Severity

Crashes by road in LL17

The A55 has the most collisions in LL17, 573 of 1,410 (41%), followed by the A525 (431).

Collisions in LL17 on each road, 1979 to 2025
RankRoadCollisionsCasualtiesFatalSerious
1stA555731,11328119
2ndA525431605770
3rdB5381202302524
4thB5429254305

Council areas covering LL17

Collisions in LL17 were recorded in 3 council areas. Denbighshire has 1,401 of 1,410 (99%).

Collisions in LL17 by council area, 1979 to 2025
RankCouncil areaCollisionsCasualtiesFatalSerious
1stDenbighshire1,4012,29141254
2ndConwy5701
3rdFlintshire3701

Town in LL17

Of the 1,410 collisions in LL17, 291 (21%) were in St Asaph.